F.W. Bell 7030 User manual

7030GAUSS/TESLAMETER
Instruction
Manual

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
THIS SIDE BLANK !
(Inside of Front Cover)

MODEL 7030
GAUSS / TESLA METER
Instruction Manual
Manual UN-01-251
Item 359936
Rev. E, ECO 14211
All Rights Reserved.

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
This symbol appears on the instrument and probe. It refers the operator
to additional information contained in this instruction manual, also
identified by the same symbol.
NOTICE:
See Pages 4-1, 4-2, and 4-3
for SAFETY
instructions prior to first use !
See Page 2-4
for EMC Notes concerning I/O Cables and I/O
Filter Adapters

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
i
Table of Contents
Section – 1 Introduction
Overview…………………………………………………………………………………….……….. 1-1
General Description…………………………………………………………………………………. 1-3
Applications…………………………………………………………………………………..…….… 1-8
Section – 2 Specifications
Instrument…………………………………………………………………………………………….. 2-1
Calibration Service…………………………………………………………………………………… 2-6
Zero Flux Chamber………………………………………………………………………………….. 2-7
Section – 3 Probes
Overview………………………………………………………………………………………...……. 3-1
Probe Variations………………………………………………………………………………….…. 3-2
Probe Memory……………………………………………………………………………………...… 3-3
Probe Stem…………………………………………………………………………………..……….. 3-3
Temperature Effects…………………………………………………………………………..…….. 3-3
Fixturing………………………………………………………………………………………………. 3-3
Section – 4 Setup
Safety………………………………………………………………………………………………… 4-1
Line Voltage Settings / Fuse Panel………………………………………………………………… 4-3
Adjusting the Handle………………………………………………………………………………… 4-4
Probe Installation…………………………………………………………………………………….. 4-5
Power Up……………………………………………………………………………………………… 4-6
Section – 5 User Interface
Overview……………………………………………………………………………………………… 5-1
Front Panel Key Pad………………………………………………………………………………… 5-2
Menu System…………………………………………………………………………………………. 5-3
Using the Mouse…………………………………………………………………………………….. 5-5
Help System………………………………………………………………………………………….. 5-6
System Menu……………………………………………………………………………………….. 5-6
Setup Save-Load…………………………………………………………………………………….. 5-7
Display Format……………………………………………………………………………………….. 5-9
Setting the Date and Time…………………………………………………………………. 5-11

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
ii
Section – 6 Flux Density Measurement
Overview…………………………………………………………………………………………… 6-1
Measurement Units and Selection……………………………………………………………… 6-2
Present Flux Density Reading……………………………………………………..…….……… 6-3
Measurement Mode Indicator…………………………………………………………………… 6-3
Range Selection………………………………….……………………………………………… 6-4
ac or dc Measurement Selection………………………………………………………………. 6-5
ac Mode Operation……………………………………………………………………………… 6-5
ac Mode Analog Filtering………………………………………………………………………… 6-7
dc Mode Operation……………………………………………………………………………… 6-7
Zeroing………..…………………………………………………………………………………….. 6-8
Update Interval…………………………………………………………………………………… 6-10
Hold Function………………………………………………………………………………………. 6-11
Relative Mode…………………………………………………………………………………..… 6-13
Vector Summation………………………………………………………………………………… 6-16
Analog Outputs……………………………………………………………………………………. 6-19
Classifiers……………………………………………………………………………………….. 6-21
Sources of Measurement Errors………………………………………………………………… 6-23
Section – 7 Remote Operation
Introduction…………………………………………………………………………………………… 7-1
IEEE 488 Functional Description…………………………………………………………………… 7-2
RS-232 Functional Description……………………………………………………………………... 7-3
Communications Setup……………………………………………………………………………. 7-5
IEEE 488 General Bus Commands………………………………………………………………... 7-6
Error Queue and Output Queue……………………………………………………………………. 7-7
Status…………..……………………………………………………………………………………… 7-7
Status Byte and Service Request………………………………………………………………….. 7-9
Standard Event Register……………………………………………………………………………. 7-11
Measurement Event Register………………………………………………………………….…. 7-12
Operation Event Register…………………………………………………………………….…… 7-13
Questionable Event Register……………..…………………………………………………….… 7-13
IEEE 488.2 “Common” Command Syntax……………………………………………….……… 7-14
IEEE 488.2 “Common” Commands……………………………………………………………… 7-15
SCPI Command Syntax…………………………………………………………………………… 7-18
SCPI Commands – General……………………………………………………………………… 7-19
SCPI Commands – Error Queue Messages and Commands………………………………… 7-23
SCPI Commands – System Information and Configuration Commands…………………… 7-23
SCPI Commands – Status Commands………………………………………………………… 7-26

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
iii
SCPI Commands – Unit Commands………………………………………………………… 7-27
SCPI Commands – Range Commands…………………………………………………….…… 7-28
SCPI Commands – Filter Commands…………………………………………………………… 7-29
SCPI Commands – Averaging Commands…………………………………………………… 7-30
SCPI Commands – Classifier (Limit) Commands……………………………………………… 7-30
SCPI Commands – Zeroing Commands……………………………………………………… 7-32
SCPI Commands – Relative Offset Commands……………………………………………… 7-32
SCPI Commands – Analog Output Commands………………………………………………. 7-34
SCPI Commands – Vector Summation Commands…………………………………………… 7-37
SCPI Commands – Hold Commands…………….……………………………………………… 7-37
SCPI Commands – Measurement Commands………………………………………………. 7-39
Intermixing “Common” and SCPI Commands……………………………………………… 7-41
Message Terminators…………………………………………………………………………… 7-41
Example Using the Event, Enable, and Condition Registers………………………………… 7-42
Appendix A Understanding Flux Density………………………………………………… A-1
Appendix B Vector Summation Tutorial…………………………………………………. B-1
Warranty
List of Tables
Table 1-1 Model 7030 gauss/tesla meter List of Features……………………….…….. 1-2
Table 1-2 Front Panel Description…………………………………………………..…….. 1-6
Table 1-3 Rear Panel Description…………………………………………………..……... 1-7
Table 2-1 Probe Ranges…………………………………………………………….…..….. 2-1
Table 2-2 Accuracies (Instrument Only)……………………………………………..……. 2-2
Table 3-1 Probe Maximum Field Levels and Resolutions…………………………..…... 3-2
Table 5-1 Default Configuration Settings…………………………………….…….……... 5-8
Table 5-2 Display Options…………………………………………………………..…….… 5-9
Table 6-1 Available Units………………………………………………….……………..…. 6-2
Table 6-2 Minimum Magnitudes for Rated ac Accuracy……………………..…….…… 6-6
Table 6-3 Autofilter Switch Points………………………………………………..…...……. 6-7
Table 6-4 Number of Samples for Update Interval Settings…………………………….. 6-10
Table 7-1 RS-232 Available Settings………………………………………………………. 7-5
Table 7-2 General Command Summary for IEEE 488…………………………………… 7-6
Table 7-3 Common Command Summary……………………………………………...….. 7-15
Table 7-4 SCPI Commands……………………………………………………...…………. 7-19
Table 7-5 12 Hour to 24 Hour Conversion Table…………………………………………. 7-24
Table 7-6 Operating Ranges with Various Probes…………………………………...…... 7-28

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
iv
List of Illustrations
Figure 1-1 Front Panel……………………………………………………………………….. 1-6
Figure 1-2 Rear Panel…………………………………………………………………….….. 1-7
Figure 1-3 Various Positions of Instrument………………………………………………… 1-8
Figure 2-1 Frequency Response of Uncorrected Analog Outputs (%Deviation)………. 2-3
Figure 2-2 Digital I/O Connector……….……………………………………………………. 2-4
Figure 2-3 Zero Flux Chamber………………………………………………………………. 2-6
Figure 3-1 7000 Series Probe Ordering Guide…………………………………………….. 3-2
Figure 3-2 Hall Probe Configurations………………………………………………….……. 3-4
Figure 4-1 Probe Electrical Warning………………………………………………….…….. 4-2
Figure 4-2 Fuse Panel……………………………………………………………………..…. 4-3
Figure 4-3 Adjusting the Handle………………………………………………………….…. 4-4
Figure 4-4 Installing and Removing Probes…………………………………………….….. 4-5
Figure 4-5 Power Switch Positions………………………………………………………….. 4-6
Figure 4-6 Boot Up Screen…………………………………………………………………... 4-7
Figure 5-1 Front Panel Keys…………………………………………………………………. 5-2
Figure 5-2 Menu Items……………………………………………………………………….. 5-3
Figure 5-3 Using Selections…………………………………………………………………. 5-4
Figure 5-4 Main Menu……………………………………………………………………….. 5-4
Figure 6-1 Present Flux Density Reading………………………………………………….. 6-3
Figure 6-2 Measurement Mode Indicator…………………………………………………... 6-3
Figure 6-3 Frequency / Filter Indicator……………………………………………………… 6-5
Figure 6-4 Indeterminate Frequency Indicator……………………………………………. 6-6
Figure 6-5 Relative Value Indicator………………………………………………………… 6-14
Figure 6-6 7000 Series 3-Axis Probe Orientation………………………………………… 6-16
Figure 6-7 Example Circuit for Classifier Outputs………………………………………… 6-22
Figure 6-8 Probe Output Versus Flux Angle………………………………………………. 6-23
Figure 6-9 Probe Output Versus Distance…………………………………………………. 6-24
Figure 6-10 Flux Density Variations in a Magnet…………………………………………… 6-24
Figure 7-1 IEEE-488 Connector……………………………………………………………. 7-2
Figure 7-2 RS-232 Connector………………………………………………………………. 7-4
Figure 7-3 Condition, Event, and Enable Registers………………………………………. 7-8
Figure 7-4 Status Byte and SRQ Enable Registers……………………………………… 7-9
Figure 7-5 Standard Event Register……………………………………………………….. 7-11
Figure 7-6 Measurement Event Register………………………………………………….. 7-12
Figure 7-7 Operation Event Register……………………………………………………….. 7-13
Figure 7-8 Questionable Event Register…………………………………………………… 7-13
Figure A-1 Flux Lines of a Permanent Magnet…………………………………………….. A-1
Figure A-2 Hall Effect Sensor……………………………………………………………...… A-2
Figure B-1 Two Dimensional Co-ordinate System………………………………………… B-1
Figure B-2 Vector Angle in a Two Dimensional System………………………………….. B-2
Figure B-3 Three-dimensional Co-ordinate System……………………………………….. B-3
Figure B-4 Vector Angles in a Three-dimensional System……………………………….. B-3

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
Section 1 - Introduction 1-1
Section 1 Introduction
OVERVIEW The F.W. BELL model 7030 gauss/tesla meter incorporates the latest
developments in magnetic flux density measurement technology with a
modern user interface. It features a large display for easy viewing, a
comprehensive keypad for control of common functions, and an easy-to-use
menu system. The model 7030 features three independent channels, with
high accuracy suitable for use in the laboratory, and enough features to be
versatile in a manufacturing environment. Table 1-1 on the following page
provides a list of features.
A detailed description of the 7030’s functions and features is provided in the
remaining sections.
F.W. BELL 7030 GAUSS/TESLA METER

F.W. BELL Model 7030 Gauss/Tesla Meter Instruction Manual
1-2 Section 1 - Introduction
Table 1-1 Model 7030 gauss/tesla meter List of Features
Flux Density
Measurement Auto Range and Zeroing Capability
dc and ac Field Measurement up to 50 kHz
Automatic Calibration
Units in gauss (G), tesla (T), amp/meter (A/m), or oersted (Oe)
Temperature Compensated Hall Probes Available
User Interface Large ¼ VGA Multi-shade Amber Display
Display Arrangement is Configurable by the User
Each Channel’s Common Functions are Activated Quickly Through the Front Panel
Keypad
Other Functions are Accessible Through Graphical Menu System
Comprehensive Help System
Up to Four Configuration Setups May be Stored
Mouse Supported ( Optional )
Support
Functions Analog and Digital Filtering
Relative Feature Allows Small Fluctuations to be Observed Within a Larger Field
Hold Feature Includes Arithmetic Min/Max Readings Calculated by the Instrument and
Signal Peaks/Valleys of Rapid Changing Pulses
Field Classifiers With Pass/Fail Outputs
Remote Operation IEEE 488.2 (GPIB) Interface
RS-232C Serial Port Interface
Signal Outputs Each Channel Has a Corrected and Uncorrected Analog Output
Corrected Outputs Provide up to 50k samples/sec
3V, 10V, and 0-10V Adjustable Full Scale Range Settings
Either Raw or RMS Signals
Vector Summation Output
Probe Styles Transverse, Axial, and 3-Axis
Temperature Compensated
Low, Medium, and High Field
Standard and Heavy Duty
Software LabView Drivers Available
On-Site Firmware Updates